基于 vue-cli 2.0

module.exports = {
    dev:{
        assetsSubDirectory: 'static',
        assetsPublicPath: '/',
        proxyTable:{
            '/scoket': {
                target: 'xxx',
                changeOrigin: true,
                secure: false,
                pathRewrite: {
                    '^/scoket': ''
                }
            },
        }
    }
}

基于 vue-cli3.0以上版本

module.exports = {

  // 相当于webpack-dev-server，对本地服务器进行配置 
  devServer: {
    proxy: {
      "/baidu": {
        target: "http://www.baidu.com",
        changeOrigin: true,
        ws: true,
        pathRewrite: {
          "^/baidu": ''
        }
      },
      "/google": {
        target: "http://google.com",
        changeOrigin: true,
        ws: true,
        pathRewrite: {
          "^/google": ''
        }
      },
    }
  }
}